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AU2003212592A1 - Coding of stereo signals - Google Patents

Coding of stereo signals

Info

Publication number
AU2003212592A1
AU2003212592A1 AU2003212592A AU2003212592A AU2003212592A1 AU 2003212592 A1 AU2003212592 A1 AU 2003212592A1 AU 2003212592 A AU2003212592 A AU 2003212592A AU 2003212592 A AU2003212592 A AU 2003212592A AU 2003212592 A1 AU2003212592 A1 AU 2003212592A1
Authority
AU
Australia
Prior art keywords
signal
coding
stereo signals
signal component
encoding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2003212592A
Other languages
English (en)
Inventor
Ronaldus M. Aarts
Roy Irwan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of AU2003212592A1 publication Critical patent/AU2003212592A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AU2003212592A 2002-04-10 2003-03-20 Coding of stereo signals Abandoned AU2003212592A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02076408.0 2002-04-10
EP02076408 2002-04-10
PCT/IB2003/001154 WO2003085645A1 (en) 2002-04-10 2003-03-20 Coding of stereo signals

Publications (1)

Publication Number Publication Date
AU2003212592A1 true AU2003212592A1 (en) 2003-10-20

Family

ID=28685942

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003212592A Abandoned AU2003212592A1 (en) 2002-04-10 2003-03-20 Coding of stereo signals

Country Status (11)

Country Link
US (1) US7359522B2 (ja)
EP (1) EP1500086B1 (ja)
JP (1) JP4805541B2 (ja)
KR (1) KR100981694B1 (ja)
CN (1) CN1311426C (ja)
AT (1) ATE459957T1 (ja)
AU (1) AU2003212592A1 (ja)
BR (2) BRPI0308691A2 (ja)
DE (1) DE60331535D1 (ja)
ES (1) ES2341327T3 (ja)
WO (1) WO2003085645A1 (ja)

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JP5208413B2 (ja) 2003-03-17 2013-06-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 多重チャネル信号の処理方法
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US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
MX2007011995A (es) * 2005-03-30 2007-12-07 Koninkl Philips Electronics Nv Codificacion y decodificacion de audio.
US7751572B2 (en) * 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
US8121836B2 (en) 2005-07-11 2012-02-21 Lg Electronics Inc. Apparatus and method of processing an audio signal
JP2007183528A (ja) * 2005-12-06 2007-07-19 Fujitsu Ltd 符号化装置、符号化方法、および符号化プログラム
KR100803212B1 (ko) * 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
KR101218776B1 (ko) 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
FR2898725A1 (fr) 2006-03-15 2007-09-21 France Telecom Dispositif et procede de codage gradue d'un signal audio multi-canal selon une analyse en composante principale
ATE531036T1 (de) * 2006-03-15 2011-11-15 France Telecom Einrichtung und verfahren zur codierung durch hauptkomponentenanalyse eines mehrkanaligen audiosignals
CN1909064B (zh) * 2006-08-22 2011-05-18 复旦大学 一种在线自然语音卷积混合信号的时域盲分离方法
US8935158B2 (en) 2006-12-13 2015-01-13 Samsung Electronics Co., Ltd. Apparatus and method for comparing frames using spectral information of audio signal
KR100860830B1 (ko) * 2006-12-13 2008-09-30 삼성전자주식회사 음성 신호의 스펙트럼 정보 추정 장치 및 방법
CN101067931B (zh) * 2007-05-10 2011-04-20 芯晟(北京)科技有限公司 一种高效可配置的频域参数立体声及多声道编解码方法与系统
EP2287836B1 (en) 2008-05-30 2014-10-15 Panasonic Intellectual Property Corporation of America Encoder and encoding method
RU2486609C2 (ru) * 2008-06-19 2013-06-27 Панасоник Корпорейшн Квантователь, кодер и их способы
CN101673548B (zh) * 2008-09-08 2012-08-08 华为技术有限公司 参数立体声编码方法、装置和参数立体声解码方法、装置
US8918325B2 (en) 2009-06-01 2014-12-23 Mitsubishi Electric Corporation Signal processing device for processing stereo signals
JP5511848B2 (ja) * 2009-12-28 2014-06-04 パナソニック株式会社 音声符号化装置および音声符号化方法
US8634569B2 (en) 2010-01-08 2014-01-21 Conexant Systems, Inc. Systems and methods for echo cancellation and echo suppression
US9160864B2 (en) 2011-01-05 2015-10-13 Conexant Systems, Inc. Systems and methods for stereo echo cancellation
EP2645748A1 (en) 2012-03-28 2013-10-02 Thomson Licensing Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal
ES2555579T3 (es) 2012-04-05 2016-01-05 Huawei Technologies Co., Ltd Codificador de audio multicanal y método para codificar una señal de audio multicanal
CN105336333B (zh) * 2014-08-12 2019-07-05 北京天籁传音数字技术有限公司 多声道声音信号编码方法、解码方法及装置
CN105632505B (zh) * 2014-11-28 2019-12-20 北京天籁传音数字技术有限公司 主成分分析pca映射模型的编解码方法及装置
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
CN109427328B (zh) * 2017-08-28 2023-04-28 中国科学院声学研究所 一种基于滤波网络声学模型的多通道语音识别方法
EP4046155B1 (en) 2019-10-18 2025-12-31 Dolby Laboratories Licensing Corporation METHOD AND SYSTEM FOR WAVEFORM CODING OF AUDIO SIGNALS USING A GENERAL MODEL

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CN100429960C (zh) * 2000-07-19 2008-10-29 皇家菲利浦电子有限公司 用于获得立体声环绕和/或音频中心信号的多声道立体声转换器
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Also Published As

Publication number Publication date
WO2003085645A1 (en) 2003-10-16
KR100981694B1 (ko) 2010-09-13
ES2341327T3 (es) 2010-06-18
CN1311426C (zh) 2007-04-18
DE60331535D1 (de) 2010-04-15
JP2005522722A (ja) 2005-07-28
US7359522B2 (en) 2008-04-15
US20050213522A1 (en) 2005-09-29
EP1500086A1 (en) 2005-01-26
JP4805541B2 (ja) 2011-11-02
KR20040101429A (ko) 2004-12-02
ATE459957T1 (de) 2010-03-15
BRPI0308691B1 (pt) 2018-06-19
BRPI0308691A2 (pt) 2016-11-16
CN1647158A (zh) 2005-07-27
EP1500086B1 (en) 2010-03-03

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase